Kozyheat Slayton 42S Owner's manual

Brand: Kozyheat

Model: Slayton 42S

Category: Fireplaces

Type: Owner's manual

SLAYTON 42S

INSTALLATION AND OPERATION MANUAL

Model #SLA-42S

Direct Vent Gas Fireplace

ͷDo not store or use gasoline or other ammable

vapors and liquids in the vicinity of this or any

other appliance.

ͷWHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

•Do not touch any electrical switch; do not

use any phone in your building.

• Leave the building immediately.

•Immediately call your gas supplier from a

neighbor’s phone. Follow the gas supplier’s

instructions.

•If you cannot reach your gas supplier, call

the re department.

ͷInstallation and service must be performed by

a qualied installer, service agency or the gas

supplier.

WARNING:

FIRE OR EXPLOSION HAZARD

Failure to follow safety warnings exactly could

result in serious injury, death, or property

damage.

This appliance may be installed in an

aermarket, permanently located,

manufactured home (USA only) or mobile

home, where not prohibited by local codes.

This appliance is only for use with the type

of gas indicated on the rang plate. This

appliance is not converble for use with other

gases, unless a cered kit is used.

INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

English and French installation manuals are available through your local

dealer. Visit our website www.kozyheat.com.

Les manuels d’installation en français et en anglais sont disponibles chez

votre détaillant local. Visitez www.kozyheat.com.

DANGER

HOT GLASS WILL

CAUSE BURNS

DO NOT TOUCH GLASS

UNTIL COOLED

NEVER ALLOW CHILDREN

TO TOUCH GLASS

A barrier designed to reduce the risk of burns

from the hot viewing glass is provided with this

appliance and shall be installed for the protection

of children and other at-risk individuals.

Hussong Mfg. Co., Inc.

SLA-42S Report No: 19-505

Rev. 11, September 2023

Starting Serial Number: 22 068529 12

Read this manual before installation or operating this appliance. Please retain this owner’s manual for future reference.

CONGRATULATIONS!

We welcome you as a new owner of a Kozy Heat gas replace. Kozy Heat products are designed

with superior components and materials, and assembled by trained craftsmen who take pride in

their work. To ensure you receive a quality product, the burner and valve assembly are 100 percent

test-red, and the complete replace is thoroughly inspected before packaging. Our commitment to

quality and customer satisfaction has remained the same for over 40 years. We offer a complete line of

gas, wood, and electric replaces, along with stylish accessories to complement any decor. Adding

a replace is one of the best ways to increase the value of your home, and we are proud to offer a

network of dealers throughout the country to help make your experience everything you imagine. We

pride ourselves in being dedicated not only to functionality and reliability, but also customer safety.

We offer our continual support and guidance to help you achieve the maximum benet and

enjoyment from your Kozy Heat gas replace.

Jim Hussong

President

Dudley Hussong

Board Chairman

Homeowner Reference Information

We recommend you record the following information:

Model Name: ____________________________________________

Serial Number: ___________________________________________

Dealership Purchased from: ________________________________

Date purchased/installed: __________________________________

Location of replace: ______________________________________

Dealer phone: ___________________________________________

Notes: ______________________________________________________________________________________________________________

____________________________________________________________________________________________________________________

#SLA-42S

Rev. 11, September 2023

HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

TABLE OF CONTENTS

HOMEOWNER REFERENCE INFORMATION .................................3

TABLE OF CONTENTS ..................................................................... 5

1.0 INTRODUCTION ......................................................................7

1.1 Appliance Certication ............................................................................ 7

1.2 California Proposition 65 Warning ....................................................... 7

1.3 Requirements for the Commonwealth of Massachusetts ........... 7

2.0 SPECIFICATIONS ..................................................................... 8

2.1 Heating Specications.............................................................................. 8

2.2 Electrical Specications ........................................................................... 8

2.3 Appliance Dimensions ............................................................................. 9

2.4 Safety Barrier Dimensions ....................................................................... 10

3.0 FRAMING .................................................................................11

3.1 Installation Planning ................................................................................. 11

3.2 Stand-o Assembly and Installation ................................................... 12

3.3 Nailing Flange Assembly and Installation ......................................... 13

3.4 Clearances to Combustibles ................................................................... 14

3.5 Rough Framing ...........................................................................................15

3.6 Outdoor Covered Fireplace Installation ............................................. 18

4.0 FACING AND FINISHING .........................................................20

4.1 Facing and Finishing Requirements ................................................... 20

4.2 Safety Barrier Installation ........................................................................ 24

4.3 Optional Trim Kit Assembly #SL42-FTK .............................................. 25

5.0 GAS LINE CONNECTION .........................................................26

5.1 Gas Conversion ...........................................................................................26

5.2 Gas Line Installation .................................................................................. 26

6.0 TERMINATION LOCATIONS ....................................................27

6.1 Vertical Vent Termination ........................................................................ 27

6.2 Minimum Vent Termination Clearances ............................................. 28

7.0 VENTING ..................................................................................29

7.1 Approved Vent Systems ........................................................................... 29

7.2 Venting Requirements .............................................................................. 29

7.3 Vent Restriction ........................................................................................... 30

7.4 Vent Heat Shield Assembly Installation.............................................. 31

7.5 Vent Installation .......................................................................................... 32

7.6 #800-1 Series Direct Vent Termination Kit(s) .................................... 37

8.0 FIREPLACE SET UP ..................................................................38

8.1 Glass Frame Assembly .............................................................................. 38

8.2 Light Kit .......................................................................................................... 38

8.3 Glass Media .................................................................................................. 39

8.4 Control Board Removal and Installation ............................................ 40

9.0 ELECTRICAL INFORMATION .................................................. 41

9.1 Electrical Specications ........................................................................... 41

9.2 Wiring Requirements ................................................................................ 41

9.3 #SL42-028 Optional Fan Kit .................................................................... 42

10.0 OPERATING INSTRUCTIONS ................................................ 43

10.1 Setup Komfort 8K Control Module .................................................... 44

10.2 Initialize the Komfort 8K Control System ........................................ 44

10.3 Automatic Safety Turn-o .................................................................... 44

10.4 Backup Battery Operation .................................................................... 44

10.5 Control System 7 Day Time-out .......................................................... 44

10.6 Komfort 8K Control System Ignition Sequence ............................ 45

10.7 Additional Diagnostic Information ...................................................45

10.8 Remote Control Operation ................................................................... 46

11.0 ADJUSTMENT ........................................................................50

11.1 Pressure Testing ........................................................................................ 50

11.2 Flame Appearance Adjustment .......................................................... 51

12.0 TROUBLESHOOTING............................................................. 53

13.0 MAINTENANCE......................................................................56

13.1 Firebox ......................................................................................................... 56

13.2 Fan (optional) ............................................................................................ 56

13.3 Vent System ............................................................................................... 56

13.4 Glass Assembly ......................................................................................... 56

13.5 Burner and Pilot System ....................................................................... 57

14.0 REPLACEMENT PARTS LIST..................................................58

LIMITED LIFETIME WARRANTY ....................................................59

#SLA-42S

Rev. 11, September 2023

HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

Appliance Certication–Requirements for Massachusetts

SECTION 1 INTRODUCTION

#SLA-42S#SLA-42S

Rev. 11, September 2023

HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

1.1 Appliance Certication

Laboratory: PFS in Cottage Grove, Wisconsin

Standards:

ANSI Z21.88-2017/CSA 2.33-2017, Vented Gas Fireplace Heaters

CSA 2.17 2017, Gas-Fired Appliances for Use at High Altitudes

This installation must conform with local codes, or in the absence of

local codes, with the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or

the Natural Gas and Propane Installation Code, CSA B149.1.

1.2 California Proposition 65 Warning

WARNING: This product can expose you to chemicals including

Carbon Monoxide, that is an externally vented by-product of fuel

combustion, which is [are] known to the State of California to cause

birth defects or other reproductive harm. For more information, visit

www.P65Warnings.ca.gov.

1.3 Requirements for the

Commonwealth of Massachusetts

The following requirements reference various Massachusetts and

national codes not contained in this manual.

For all sidewall horizontally vented gas fueled equipment installed

in every dwelling, building or structure used in whole or in part for

residential purposes, including those owned or operated by the

Commonwealth and where the side wall exhaust vent termination

is less than (7) feet above nished grade in the area of the venting,

including but not limited to decks and porches, the following

requirements shall be satised:

1.3.1 Installation of Carbon Monoxide Detectors

At time of installation of side wall horizontally vented gas fueled

equipment, the installing plumber or gas-tter shall observe that

a hard wired carbon monoxide detector with an alarm and battery

back-up is installed on the oor level where the gas equipment is

to be installed. In addition, the installing plumber or gas-tter shall

observe that a battery operated or hard wired carbon monoxide

detector is installed on each additional level of the dwelling, building

or structure served by the side wall horizontal vented gas fueled

equipment. It shall be the responsibility of the property owner

to secure the services of qualied licensed professionals for the

installation of hard wired carbon monoxide detectors.

In the event that the side wall horizontally vented gas fueled

equipment is installed in a crawl space or attic, the hard wired carbon

monoxide detector with alarm and battery back-up may be installed

on the next adjacent oor level. In the event that the requirements

of this subdivision can not be met at the time of completion of

installation, the owner shall have a period of thirty (30) days to

comply with the above requirements; provided, however, that during

said thirty (30) day period, a battery operated carbon monoxide

detector with an alarm shall be installed.

1.3.2 Approved Carbon Monoxide Detectors

Each carbon monoxide detector as required in accordance with the

above provisions shall comply with NFPA 720 and be ANSI/UL 2034

listed and IAS certied.

1.3.3 Signage

A metal or plastic identication plate shall be permanently mounted

to the exterior of the building at a minimum of eight (8) feet

above grade directly in line with the exhaust vent terminal for the

horizontally vented gas fueled heating appliance or equipment. The

sign shall read, in print no less the one-half inch (½) in size, “GAS VENT

DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.

1.3.4 Inspection

The state or local gas inspector of the side wall horizontally vented

gas fueled equipment shall not approve the installation unless, upon

inspection, the inspector observes carbon monoxide detectors and

signage installed in accordance with the provisions of 248 CMR 5.08

(2) (a) 1 through 4.

1.3.5 Exemptions

The following equipment is exempt from 248 CMR 5.08 (2) (a) 1

through 4: The equipment listed in Chapter 10 entitled “Equipment

Not Required To Be Vented” in the most current edition of NFPA 54 as

adopted by the Board; and Product Approved side wall horizontally

vented gas fueled equipment installed in a room or structure separate

from the dwelling, building or structure used in whole or in part for

residential purposes.

1.3.6 Manufacturer Requirements

1.3.6.1 Gas Equipment Venting System Provided

When the manufacturer of Product Approved side wall horizontally

vented gas equipment provides a venting system design or venting

system components with the equipment, the instructions provided

by the manufacturer for installation of the equipment and the

venting system shall include:

• Detailed instructions for the installation of the venting system

design or the venting system components; and

• A complete parts list for the venting system design or

venting system.

1.3.7 Gas Equipment Venting

System NOT Provided

When the manufacturer of Product Approved side wall horizontally

vented gas equipment does not provide the parts for venting the

ue gases, but identies “special venting systems”, the following

requirements shall be satised by the manufacturer:

• The referenced “special venting systems” instructions shall

be included with the appliance or equipment installation

instructions and;

• The “special venting systems” shall be Product Approved by the

Board, and the instructions for that system shall include a parts

list and detailed installation instructions.

A copy of all installation instructions for all Product Approved

side wall horizontally vented gas fueled equipment, all venting

instructions, all parts lists for venting instructions, and/or all venting

design instructions shall remain with the appliance or equipment at

the completion of the installation.

1.0 INTRODUCTION

Heating Specications

SECTION 2 SPECIFICATIONS

#SLA-42S

Rev. 11, September 2023

8HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

2.0 SPECIFICATIONS

2.1 Heating Specications

Natural Gas Propane

Maximum

Input Rating

42,000 Btu/h

(12.3 kW)

42,000 Btu/h

(12.3 kW)

Minimum

Input Rating

21,000 Btu/h

(6.154 kW)

21,000 Btu/h

(6.154 kW)

Manifold Pressure

(High)

3.5” WC

(0.87 kPa)

10” WC

(2.49 kPa)

Manifold Pressure

(Low)

1” WC

(0.24 kPa)

2.7” WC

(0.67 kPa)

Orice Size

(DMS)

CENTER BURNER: 37

SIDE BURNERS: 54

CENTER BURNER: 52

SIDE BURNERS: 67

2.1.1 Altitude Adjustment

This appliance may be installed at higher altitudes. Please refer to

National Fuel Gas Code ANSI Z223.1/NFPA 54, CSA-B149.1 Natural

Gas and Propane Installation Code, local authorities, or codes having

jurisdiction in you area regarding derate guidelines.

2.1.1.1 US Installations

Refer to the American Gas Association guidelines for the gas designed

appliances derating method. For elevations above 2,000’ (610m),

input ratings are to be reduced by 4% for each 1,000’ (305m) above

sea level.

2.1.1.2 Canadian Installations

When the appliance is installed at elevations above 4,500’ (1,372m),

the certied high altitude rating shall be reduced at the rate of 4% for

each additional 1,000’ (305m).

2.2 Electrical Specications

• The junction box in this appliance requires 120VAC, 60Hz,

and 6 Amps.

• Verify the household breaker is shut o prior to working on any

electrical lines.

• The AC power supply to this appliance must be hot at all times

and shall not have a switch installed in it.

Appliance Dimensions

SECTION 2 SPECIFICATIONS

#SLA-42S

Rev. 11, September 2023

HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

2.3 Appliance Dimensions

19”

(483mm)

3/8”

(10mm)

9⁄”

(252mm) 15⁄”

(402mm)

55¼”

(1404mm)

5¾”

(146mm) 10⁄”

(272mm)

19⁄”

(494mm)

45⁄”

(1154mm)

8⁄”

(206mm)

50”

(1271mm)

55¼”

(1404mm)

32⁄”

(827mm)

38⁄”

(972mm)

10⁄”

(256mm)

5¼”

(133mm)

2¼”

(57mm)

9⁄”

(246mm)

5¼”

(133mm)

TOP VIEW

FRONT VIEWLEFT SIDE RIGHT SIDE

Finishing edge

Electrical access

Gas line hole

FIGURE 2.1 SLA-42S Dimensions

Safety Barrier Dimensions

SECTION 2 SPECIFICATIONS

#SLA-42S

Rev. 11, September 2023

10 HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

2.4 Safety Barrier Dimensions

WARNING: A barrier designed to reduce the risk of burns from the hot

viewing glass is provided with this appliance and shall be installed for

the protection of children and other at-risk individuals.

If the barrier becomes damaged, the barrier shall be replaced with

Hussong Mfg.’s barriers for this appliance.

Consider the nish material dimensions when planning your

installation. The safety barrier and glass assembly must be removable.

Refer to FIGURE 4.3, MINIMUM NONCOMBUSTIBLE MATERIAL

DIMENSIONS on page 23.

Refer to 4.2, SAFETY BARRIER INSTALLATION on page 24 for

installation instructions.

3⁄”

(86mm)

26⁄”

(665mm)

51⁄”

(1316mm)

3⁄”

(82mm)

26¼”

(667mm)

3⁄”

(87mm)

52⁄”

(1325mm)

21⁄”

(543mm) ⁄”

(24mm)

47¼”

(1200mm)

3⁄”

(87mm)

SL42-CXSFS SL42-BSFS

SL42-RSFS

FINISHING

EDGE

FINISHING

EDGE

FIGURE 2.2 Safety Barrier Dimensions

Installation Planning

SECTION 3 FRAMING

#SLA-42S

Rev. 11, September 2023

HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

3.0 FRAMING

3.1 Installation Planning

• If planning to convert to propane, it is easier to complete the gas

conversion before framing in the replace. See the #LCK-SL42-D

manual for complete conversion instructions. If you convert the

replace to propane after replace installation, you will have to

remove the control board. See section 8.4, CONTROL BOARD

REMOVAL AND INSTALLATION (page 40) for access to the

control board before and after installation.

3.1.1 Appliance Placement Considerations

WARNING: Due to high temperatures, the appliance should be located

out of trac and away from furniture and draperies.

• This appliance must be installed on a level surface capable of

supporting the replace and venting.

• This replace may be installed in a bedroom.

• Please be aware of the large amount of heat this replace will

produce when determining a location.

Stand-o Assembly and Installation

SECTION 3 FRAMING

#SLA-42S

Rev. 11, September 2023

12 HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

3.2 Stand-o Assembly and Installation

Top stand-o brackets must be formed and attached prior to

positioning replace into framed opening.

1. Remove and save the (4) screws securing the secondary stand-

o heat shield and the top stand-o brackets, located on the top

of the replace.

2. Form the top stand-o brackets as shown, then re-attach to the

replace using screws previously removed, along with (4) screws

provided in the replace components packet.

3. Form secondary heat shield and attach to top stand-o brackets

using (4) screws provided in the replace component packet.

4. Form the top stand-o upper heat shield as shown, and attach

to top stand-o brackets with the (4) screws provided in the

replace component packet.

5. Form back stand-os and secure to replace back with

provided screws.

FIGURE 3.1 Stand-o Assembly and Installation

Nailing Flange Assembly and Installation

SECTION 3 FRAMING

#SLA-42S

Rev. 11, September 2023

HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

3.3 Nailing Flange Assembly

and Installation

CAUTION: Never permanently remove these assemblies from the

replace—they must be secured regardless of nish material used.

1. Remove (4) nailing anges from the right and left side of the

replace.

2. Align nailing ange with holes on outside corners of replace,

with the stand-o anges on the nailing anges facing away

from the replace

3. Secure the nailing anges to the replace with screws (provided)

through the slots in nailing anges.

4. Bend perforation on nailing ange until parallel with replace

face. Do not bend toward replace face.

5. Position framing stud against the small stand-o (located on

backside of nailing ange). Secure with nails or screws.

• When installed, the nailing anges provide the minimum

2½” (64mm) clearance from the sides of the replace

to framing.

STAND-OFF FLANGE

NAILING FLANGE

AS SHIPPED

NAILING FLANGE INSTALLED

NAILING FLANGE

INSTALLED

FRAMING STUD

NAILING FLANGE

STAND-OFF FLANGE

FRAMING STUD

NAILING FLANGE

2½”

(64mm)

CLEARANCE

BACK VIEW FRONT VIEW

TOP VIEW FRONT VIEW

FIGURE 3.2 Nailing Flange Installation

Clearances to Combustibles

SECTION 3 FRAMING

#SLA-42S

Rev. 11, September 2023

14 HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

3.4 Clearances to Combustibles

Table 3.1, Minimum Appliance Clearances to Combustible Material

From appliance top stand-os 0” 0mm

From appliance left and right side stand-os 0” 0mm

From appliance back stand-os 0” 0mm

From appliance bottom stand-os 0” 0mm

From appliance corners 4” 102mm

From appliance front 36” 914mm

Top of nishing edge to ceiling 36” 914mm

Sides of nishing edge to adjacent sidewall 6” 152mm

Mantel 9” (229mm) deep from nishing edge 14-1/4” 362mm

3⁄”

(80mm)

19”

(483mm)

55¼”

(1403mm)

26⁄”

(670mm)

92⁄”

(2358mm)

½”

(13mm)

4”

(102mm)

65⁄”

(1667mm)

46⁄”

(1178mm)

3⁄”

(80mm)

19”

(483mm)

55¼”

(1403mm)

55¼”

(1403mm)

TYPICAL HORIZONTAL INSTALLATION TYPICAL VERTICAL INSTALLATION

TYPICAL CORNER INSTALLATION

FIGURE 3.3 Typical Install Options

Nominal 2“ x 4” framing used in enclosure framing

Rough Framing

SECTION 3 FRAMING

#SLA-42S

Rev. 11, September 2023

HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

3.5 Rough Framing

3.5.1 Rough-in Wall Enclosure

WARNING: Provide adequate clearance in front of the replace for

barrier removal, component access, gas line installation, service

access, etc.

CAUTION: Cold air transfer area. The surround replace chase

must comply with all clearances as outlined in this manual, and be

constructed in compliance with local building codes. Outside walls

should be insulated to prevent cold air from entering room.

• Determine if the fireplace face will be flush with the wall

surface (where the wall surface and fireplace will be covered

with non-combustible material, such as tile) or the fireplace

face will be flush with framing (flat wall appearance).

•19” (483mm) represents the minimum distance from the front

of the fireplace to the back wall of the framing. This is the

minimum wall depth required for wall surface material to cover

the fireplace front. If you desire the wall surface to be flush with

the fireplace face, subtract 1/2” (25mm) (standard drywall

depth) from this dimension. If using another material, adjust

accordingly.

• The bottom of the fireplace must be placed directly on a wood

or non-combustible surface (not linoleum or carpet). If this

appliance is to be installed directly on carpeting, tile, or other

combustible material other than wood flooring, this appliance

shall be installed on a metal or wood panel extending the full

width and depth of the appliance.

• This fireplace may be elevated off the floor as shown below,

provided it is properly supported by framing materials and

maintains ceiling clearances.

•If masonry (optional) is to be used, prepare the foundation

necessary to support the full masonry load.

•The header is required to be a vertical header to maintain

clearances. Pictures are shown with double vertical header.

3.5.1.1 TV Recess Construction

WARNING: All clearances to venting must be maintained.

Mounting a television above a replace is a common practice. Mantel

depth, ceiling heights, and wall and mantel construction material all

aect television surface temperatures. Most television manufacturers

specify in their instructions that a television should not be installed

on, near, or above a heat source.

Television location rests solely on the homeowner. It is the home

owner’s responsibility that the preferred TV mounting and mantel

design will not exceed the listed maximum operation temperature of

their electronic goods.

Tests performed determined that television surface temperatures

did not exceed 150°F (66°C) when a 4¼” (108mm) deep recess is

constructed above the replace.

62¼”

(1581mm)

38⁄”

(975mm)

55¼”

(1403mm)

19”

(483mm)*

4¼”

(108mm)

38⁄”

(975mm)

55¼”

(1403mm)

19”

(483mm)

62¼”

(1581mm)

Double

horizontal

header

FIGURE 3.4 Framing Requirements and Dimensions

Nominal 2“ x 4” framing used in enclosure framing

Rough Framing

SECTION 3 FRAMING

#SLA-42S

Rev. 11, September 2023

16 HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

3.5.2 Vent Termination Framing

This is a cold air transfer area. The replace enclosure must comply

with all clearances as outlined in this manual, and be constructed

in compliance with local building codes. Outside walls should be

insulated to prevent cold air from entering room.

Exterior vent termination location must be in compliance with section

6.2, MINIMUM VENT TERMINATION CLEARANCES on page 16. DO

NOT RECESS THE VENT CAP INTO WALL OR SIDING.

IMPORTANT - METAL FAB VENT SYSTEM : When installing Metal Fab

vent pipe, an adapter must be used. This will increase the minimum

height for the center of the vent pipe by 3-1/4” (83mm) when framing

the wall pass through for horizontal terminations.

3.5.2.1 Clearances

• A minimum of 1” (25mm) clearance on all sides of the vertical

vent pipe must be maintained.

• A minimum of 1” (25mm) clearance from the top surface on the

horizontal pipe must be maintained.

• A minimum of 1” (25mm) clearance on the sides and bottom

surfaces on the horizontal pipe must be maintained.

3.5.2.2 Vertical Terminations

CAUTION: Cold air transfer area. The surround replace chase

must comply with all clearances as outlined in this manual, and be

constructed in compliance with local building codes. Outside walls

should be insulated to prevent cold air from entering room.

• Follow vent pipe manufacturer’s installation instructions for

vertical terminations.

• Attic insulation shields may be insulated using unfaced

insulation products listed as non-combustible per ASTM E 136.

3.5.2.3 Horizontal Terminations

IMPORTANT: Horizontal vent sections require 1/4” (6mm) rise for every

12” (305mm) of travel.

Kozy Heat’s #800-WPT3, or wall thimble products that comply with

the required 1” (25mm) clearance to combustibles must be installed

for all horizontal vent (rigid or exible) runs that pass through interior

or exterior walls. These wall thimble products may be insulated

using unfaced insulation products listed as noncombustible per

ASTM E 136.

Elbows listed with approved vent systems for this appliance vary in

vertical length. Please consult the vent manufacturer’s instructions

to determine the elbow dimension used for installation. Adjust the

wall pass-through rough opening dimensions to maintain clearance

requirements.

Rough Framing

SECTION 3 FRAMING

#SLA-42S

Rev. 11, September 2023

HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

3.5.2.4 Wall Pass Through Framing

1. Measure from oor level of the replace to the center of where

the vent pipe will penetrate the wall. The dimensions in FIGURE

3.5 are used with a Simpson DuraVent elbow.

2. Cut and frame an opening in the wall to allow the vent system to

run level through the wall pass-through.

3. Follow the vent pipe manufacturer’s installation instructions for

natural draft vent installation.

• Rigid pipe dimensions in FIGURE 3.5 reect Simpson

Duravent 5” x 8” coaxial pipe. Other manufacturers product

dimensions may vary.

• Flexible pipe framing dimensions in FIGURE 3.5 reect Kozy

Heat #800 Series Flexible Vent System.

19”

(483mm)

48”

(1219mm)

MINIMUM RIGID VENT PIPE TERMINATION

NATURAL GAS

52½”

(1334mm)

19”

(483mm)

MINIMUM RIGID VENT PIPE TERMINATION

PROPANE

56”

(1422mm)

19”

(483mm)

MINIMUM HORIZONTAL FLEX VENT PIPE TERMINATION

NATURAL GAS AND PROPANE

10¾”

(273mm)

11”

(279mm)

5⁄” (138mm)

Required Wall Pass Through

Framing for 1” (25mm) Clearance

(shown with #800-WPT3)

FIGURE 3.5 Minimum Horizontal Termination Framing

Nominal 2“ x 4” framing used in enclosure framing

Outdoor Covered Fireplace Installation

SECTION 3 FRAMING

#SLA-42S

Rev. 11, September 2023

18 HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

3.6 Outdoor Covered Fireplace Installation

A outdoor covered replace installation allows a replace to be

installed in an outdoor covered area, where the appliance is protected

from direct precipitation.

Follow the instructions and illustrations in this section for installation

procedures.

3.6.1 Safety Screen Barriers

Hussong Mfg. highly recommends to use black painted safety barriers

in outdoor installations. Other screen barriers that incorporate

a plated or patina nish are highly susceptible to oxidation and

discoloration.

3.6.2 Requirements

• The continuous insulated building envelope and weatherproof

membrane are not to be interrupted by replace installation. See

FIGURE 3.7 on the following page.

• Fireplace operation is approved from 40°F to 110°F.

• All wiring connections shall be in accordance with outdoor

requirements of NECA NFPA 70.

• All clearances and requirements in your appliance manual must

be adhered to.

The overhang (A) must be a minimum of 1/2 or

greater of the rooine elevation (B) above the base

of the replace.

The width of the overhang to each side of the

appliance (C) must be a minimum of 1/2 or

greater of the rooine elevation (B) above the

base of the replace.

EXAMPLE: If rooine (B) is 10’ above the base of replace, the overhang (A) must be 5’

or greater. The width of the overhang to EACH side of the replace (C) must be 5’ or greater.

SIDE OF

FIREPLACE

BACK OF

FIREPLACE

FRONT OF

FIREPLACE

ROOF OVERHANG

FIGURE 3.6 Outdoor Covered Fireplace Install - 1

Outdoor Covered Fireplace Installation

SECTION 3 FRAMING

#SLA-42S

Rev. 11, September 2023

HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

MINIMUM WEATHERPROOF

OVERHANG IN FRONT AND SIDES

MINIMUM WEATHERPROOF

OVERHANG IN FRONT AND SIDES

MINIMUM WEATHERPROOF

OVERHANG IN FRONT AND SIDES

MINIMUM WEATHERPROOF

OVERHANG IN FRONT AND SIDES

FREE STANDING STRUCTURE

(WEATHERPROOF ENCLOSURE)

CONTINUOUS INSULATED BUILDING

ENVELOPE AND WEATHERPROOF

MEMBRANE IS NOT TO BE INTERRUPTED

BY FIREPLACE INSTALLATION

INSIDE

OUTSIDE INSIDE

FIGURE 3.7 Outdoor Covered Installation - 2

Facing and Finishing Requirements

SECTION 4 FACING AND FINISHING

#SLA-42S

Rev. 11, September 2023

20 HUSSONG MFG. CO., INC. KOZY HEAT FIREPLACES

4.0 FACING AND FINISHING

4.1 Facing and Finishing Requirements

WARNING: Maintain all minimum clearances to combustibles from the

appliance and vent system.

4.1.1 Mantel Requirements

WARNING: All minimum clearances to combustible material MUST be

maintained.

• Combustible Mantel Projections - As referenced in FIGURE

4.1 on page 21, the 9” (229mm) mantel can start at 14-1/4”

(362mm) above the nishing edge. Mantel projections can

increase 1” (25mm) of depth for every 1” (25mm) of height

starting at the 9” (229mm) mantel.

• Non-combustible Mantel Projections - Minimum Vertical and

Maximum Horizontal: A minimum vertical clearance of 6”

(152mm) above the nishing edge to a maximum 6” (152mm)

depth of a non-combustible mantel. Follow projection 1” (25mm)

up for every 1” (25mm) deeper.

4.1.2 Adjacent Sidewall Requirements

• The adjacent sidewall must be 6” (152mm) from the nishing

edge of the replace.

4.1.3 Facing Requirements

• Non-combustible material is required at the top and sides of

the replace. This replace is designed to accommodate non-

combustible facing material up to 1/2” (13mm) thick.

• Install facing material up to the nishing edge that surrounds

the glass frame assembly. Do not apply any material beyond this

point. The glass frame assembly must be removable.

• Do not secure material to the bottom front cover panel with

screws, which may damage the control system components. Use

a silicone sealant that has a 300°F (149°C) continuous exposure

rating to secure material in this zone.

• It is acceptable to pre-drill holes and to use self-tapping screws

to attach the non-combustible material to the top and sides of

the replace face. See FIGURE 4.3 on page 23.

4.1.4 Finishing Recommendations

NOTE: The surface area above the appliance may be aected by high

temperatures emitted from this appliance. To help avoid or reduce the

possibility of the sheetrock to crack, Hussong Mfg. recommends the

following methods:

• Ensure the non-combustible material and sheetrock is dry and

dust free.

• For taping and mudding seams, we recommend heat resilient

tape, mesh and joint compounds, such as Durabond. Mud must

be cured as per manufacturer’s recommendations.

• For a painted surface, use a high quality acrylic latex primer

and nish coat. Avoid at or light-colored paints to prevent

discoloring.

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Kozyheat Slayton 42S Owner's manual

Brand: Kozyheat

Model: Slayton 42S

Category: Fireplaces

Type: Owner's manual

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Kozyheat Slayton 42S Owner's manual

Kozyheat Slayton 42S Owner's manual

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